543729728 has 28 divisors (see below), whose sum is σ = 1082265552. Its totient is φ = 271032960.

The previous prime is 543729727. The next prime is 543729733. The reversal of 543729728 is 827927345.

It is a happy number.

It is a super-2 number, since 2×543729728² = 591284034221907968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (543729727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8351 + ... + 34017.

Almost surely, 2^543729728 is an apocalyptic number.

It is an amenable number.

543729728 is a deficient number, since it is larger than the sum of its proper divisors (538535824).

543729728 is a wasteful number, since it uses less digits than its factorization.

543729728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26010 (or 26000 counting only the distinct ones).

The product of its digits is 846720, while the sum is 47.

The square root of 543729728 is about 23318.0129513644. The cubic root of 543729728 is about 816.1958071691.

The spelling of 543729728 in words is "five hundred forty-three million, seven hundred twenty-nine thousand, seven hundred twenty-eight".